physiological indicators of stress in gestating sows under different cooling systems indicadores fisiológicos de estresse em porcas gestantes sob diferentes sistemas de refrigeração

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ID: 220804
2009
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Ranked #9 of 193 articles by views in proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006

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Abstract
The objective of this work was to determine physiological stress markers, neutrophil:lymphocyte ratio (N/L) and corticoid concentrations, in gestating sows under different cooling systems. A sprinkling cooling system (SS) and a system based on fan-assisted evaporative cellulose pad (PS) were used. SS showed higher N/L ratio (1.095) than PS (0.850). Corticoid concentrations showed high variability. Corticosteroids are more efficient short-term stress indicators while N/L ratio is a good medium and long-term stress indicator. According to N/L ratio, gestating sows under PS benefit from a higher level of welfare.
O objetivo deste trabalho foi determinar os marcadores fisiológicos de estresse, a razão entre neutrófilos e linfócitos (N/L) e as concentrações de corticoides em porcas gestantes submetidas a diferentes sistemas de refrigeração. Foram utilizados um sistema de refrigeração com aspersores (SS) e um sistema baseado em painel evaporativo de celulose com ventilador (PS). O SS apresentou maior proporção N/L (1,095) que o PS (0,850). As concentrações de corticoides tiveram alta variabilidade. Os corticoesteroides são indicadores de estresse mais eficientes em curto prazo, enquanto a proporção N/L é um bom indicador de estresse em médio e longo prazo. De acordo com a proporção N/L, as porcas gestantes submetidas ao PS se beneficiaram de maior bem-estar.
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quionero2009pesquisaphysiological Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;José Quiñonero;Carlos García-Santamaría;Emilio María-Dolores;Eva Armero
Journal proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006
Year 2009
DOI
10.1590/S0100-204X2009001100025
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009001100025
Keywords
cortisol swine neutrophil welfareagriculture (general)

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